Marble has always felt like the odd pony out in her family, and that she would not accomplish much in her life, this all change one fateful day when she joined a meeting of the "United Rock Workers," a socialist union of rock workers.

Watch as the sister of Pinkie Pie overcomes her insecurities, makes new friends, and finds her strenght in flight... and communism.

(This fanfic takes place in the world of Equestria at War before the game’s starting date.)